⏱️
Exam Countdown: JEE Main 2026
×
✅ Notes download problem fixed!
Download Now →
App
Explore
PYQs
Discuss
Journal
Log in
Play Store
📱
Get App
🔍
Explore
📚
PYQs
💬
Discuss
📓
Journal
🔐
Log in
Get App on Play Store
© 2026 JeeHub. All rights reserved.
Q.) If PQR is an equilateral triangle inscribed in the auxiliary circle of the ellipse x²/a² + y²/b² = 1 (a > b) and P'Q'R' is the corresponding triangle inscribed within the ellipse then centroid of the triangle P'Q'R' lies at
[A]
centre of ellipse
[B]
focus of ellipse
[C]
between focus and centre on major axis
[D]
none of these
[A] centre of ellipse
[B] focus of ellipse
[C] between focus and centre on major axis
[D] none of these
Submit
Ellipse 📚
1
If the ellipse x²/4 + y² = 1 meets the ellipse x² + y²/a^2 = 1 in four distinct points and a = b² - ...
2
P and Q are the foci of the ellipse x²/a^2 + y²/b^2 = 1 and B is an end of the minor axis. If PBQ is ...
3
If the eccentricity of the ellipse x²/(a^2+1)+ y²/(a^2+2) = 1 is 1/√6, then latus rectum of ellipse ...
4
An ellipse having foci at (3, 3) and (-4, 4) and passing through the origin has eccentricity equal t ...
5
A line of fixed length A+B moves so that its ends are always on two fixed perpendicular straight lin ...
6
A circle has the same centre as an ellipse and passes through the foci F₁ and F₂ of the ellipse, suc ...
7
The auxiliary circle of a family of ellipses passes through origin and makes intercepts of 8 and 6 u ...
8
Let S and S' be two foci of the ellipse x²/a² + y²/b² = 1. If a circle described on SS' as diameter ...
9
The sum of the squares of the perpendiculars on any two tangents to the ellipse x²/a² + y²/b² = 1 fr ...
10
A tangent to the ellipse x²/a² + y²/b² = 1 at any point P meets the line x = 0 at a point Q. Let R b ...
11
For the ellipse x²/9 + y²/4 = 1 with vertices A and A', tangent drawn at the point P in the first qu ...
12
If a tangent of slope 2 of the ellipse x²/a² + y²/b² = 1 is normal to the circle (x^2 + y^2 + 4x + 1 ...
13
An ellipse has the points (1,-1) and (2,-1) as its foci and x+y-5=0 as one of its tangents. Then the ...
14
If PQR is an equilateral triangle inscribed in the auxiliary circle of the ellipse x²/a² + y²/b² = 1 ...
15
Angle subtended by common tangents of two ellipses 4(x-4)² + 25y² = 100 and 4(x+1)² + y² = 4 at orig ...
16
The eccentricity of locus of point (3h+2, k) where (h, k) lies on the circle x² + y² = 1 is ...
17
Locus of the point which divides double ordinates of the ellipse x²/a² + y²/b² = 1 in the ratio 1:2 ...
18
If the tangents to the ellipse x²/a² + y²/b² = 1 make angles α and β with the major axis such that t ...
19
The locus of the point of intersection of tangents to an ellipse at two points, sum of whose eccentr ...
20
S₁ and S₂ are foci of an ellipse with a major axis of length 10 units and P is any point on the elli ...
21
With a given point and line as focus and directrix, a series of ellipses are described, the locus of ...
22
The length of the major axis of the ellipse (5x-10)² + (5y +15)² = (3x-4y+7)²/4 is ...
23
The line x = ^2r meets the ellipse x² + y²/9^2 = 1 in real and distinct points if and only if ...
24
A man running round a race course notes that the sum of the distances of two flagposts from him is a ...
25
If the curves x²/4 + y² = 1 and x²/a^2 + y² = 1 for suitable value of a cut on four concyclic points ...
26
From any point P lying in first quadrant on the ellipse x²/25 + y²/16 = 1, PN is drawn perpendicular ...
27
Let d₁ and d₂ be the lengths of the perpendiculars drawn from foci S and S' of the ellipse x²/a² + y ...
28
A tangent having slope -4/3 to the ellipse x²/18 + y²/32 = 1 intersects the major and minor axes at ...
29
Let P be any point on a directrix of an ellipse of eccentricity e. S be the corresponding focus and ...
30
If(root3)bx + ay = 2ab touches the ellipse x²/a² + y²/b² = 1, then the eccentric angle of the point ...
31
Number of distinct normal lines that can be drawn to the ellipse (x^2/169 + y^2/25 = 1) from the poi ...
32
If tangents PQ and PR are drawn from a point on the circle (x^2 + y^2 =25 ) to the ellipse (x^2/4 + ...
33
There are exactly two points on the ellipse x²/a² + y²/b² = 1 whose distance from its centre is the ...
34
The eccentric angle of a point on the ellipse x²/4 + y²/3 = 1 at a distance of 5/4 units from the fo ...
35
The slopes of the common tangents of the ellipse and the circle (x^2/4 + y^2/1 = 1) , x^2+y^2 =3 a ...
36
The point of intersection of the tangents at the point P on the ellipse x²/a² + y²/b² = 1 the auxili ...
37
Ifα -β = a constant, then the locus of the point of intersection of tangents at P (a cos α, b sin α) ...
38
The normal at a variable point P on the ellipse x²/a² + y²/b² = 1 of eccentricity e meets the axes o ...
39
Any ordinate MP of the ellipse x^2/25 + y^2/9 = 1 meets the auxiliary circle at Q, then the locus of ...
Get App on Play Store